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出典:Wikipedia
出典:『Wikipedia』 (2011/05/09 18:26 UTC 版)
The suprangular or surangular is a jaw bone found in most land vertebrates, except mammals. It's usually in the back of the jaw, on the upper edge, and is connected to all other jaw bones: dentary, angular, splenial and articular. It is often a muscle attachment site.
Suprangular